US Bridges

To Gwb Opp 171 ST over Riverside Drive

Fair

New York County, New York · S of George Washington Br · Structure no. 000000002245480

Built
1930
95 years old, rebuilt 2000
Condition
Fair
inspected February 2024
Type
Arch - Deck
Concrete
Length
135 ft
1 main span
Daily traffic
11,585
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

To Gwb Opp 171 ST over Riverside Drive is a concrete arch - deck carrying To Gwb Opp 171 ST over Riverside Drive in New York County, New York. It was built in 1930 and reconstructed in 2000, so it is 95 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 11,585 vehicles a day, roughly 8% of them trucks, projected to reach 14,803 by 2041. The structure is 135 ft (41.1 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesTo Gwb Opp 171 ST
CrossesRiverside Drive
LocationS of George Washington Br
RouteCity Street 0
CountyNew York County
StateNew York
Coordinates40.84506, -73.9438
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating109.1 US tons
Inventory rating32.4 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length135 ft (41.1 m)
Longest span135 ft (41.1 m)
Deck width80 ft (24.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,585 (2020)
Projected traffic14,803 by 2041
Trucks8%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$49.3 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was To Gwb Opp 171 ST over Riverside Drive built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 2000.

What condition is To Gwb Opp 171 ST over Riverside Drive in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in February 2024.

How much traffic does To Gwb Opp 171 ST over Riverside Drive carry?

About 11,585 vehicles per day (2020 count), of which roughly 8% are trucks.

How long is To Gwb Opp 171 ST over Riverside Drive?

The structure is 135 ft (41.1 m) long with a longest span of 135 ft (41.1 m) and a deck 80 ft wide.

Who owns To Gwb Opp 171 ST over Riverside Drive?

It is owned by the City or Municipal Highway Agency.